package bean04.Test;

import bean04.Circle;
import bean04.Cy;


public class Ctest {
    public static void main(String[] args) {
        Circle circle = new Circle();
        circle.setR(6);

        double a = circle.yuandemianji();
        System.out.println(a);

        Cy cy = new Cy();
        circle.setR(8);

        double b = cy.v();
        System.out.println(b);

    }
}
